Megadeth, Slash, Creed, Chickenfoot and Rob Zombie have been confirmed as headlining acts for the upcoming Rocklahoma festival, which takes place May 25-27 in Pryor, Oklahoma. Tickets for the 3-day hard rock extravaganza go on sale on April 13th. One-day passes are avilable for $60-70, while tickets for all three days are $125. In all, more than 70 bands will be performing on four stages at Rocklakoma. Check out the full, three-day lineup below.